I just got a alpine 9855 from troll face and..............
This has to be one of the coolest features on a deck i have ever seen. Input all your time alignment measurements , crossover settings/slopes , parametric EQ points , and even custom names users and messages in this online app at alpine.com and you just load the file in the deck and you are straight.

The flippin deck will even tell you happy birthday!! And say stupid ish like "I'm Rich *****!!" Like mine does now.